public class TestBankServiceSystem {
    public static void main(String[] args) {
         BankServiceSystem b = new BankServiceSystem();
         b.getNum();
         b.getNum();
         b.getNum();
         b.getNum();
         b.callNum();
         b.callNum();
         b.callNum();
         b.callNum();
         b.callNum();
         b.callNum();
    }
}
